Add ingredients to crock. Blend some. Layer in steaks. Then flip once, to coat. Top with onions. Cook on -LOW- for 6+ hours. Flipping around in between. Last 1-2hour(s) slice up steaks, add back to crock and add in peppers. Stir in 1tsp lime juice right before serving. Optional: Add toppings to shell, wrap, brown all sides in skillet using Butter Flavored Cooking Spray.